Finding the Fourth Proportional to 3,871.43, 5,343.83 and 2,277.99

Step by Step Solution

1. Step 1: Write the proportion equation
   3,871.43 : 5,343.83 = 2,277.99 : x
2. Step 2: Convert to fraction form
   3,871.43/5,343.83 = 2,277.99/x
3. Step 3: Cross multiply
   3,871.43x = 5,343.83 × 2,277.99
4. Step 4: Simplify right side
   3,871.43x = 12,173,188.45
5. Step 5: Solve for x
   x = 12,173,188.45/3,871.43
6. Step 6: Final answer
   x = 3,144.37